Same issue! Chaseplane didn't work in VC and external views.
There is a discurtion in Maddog forum about this:
https://www.flythemaddog.com/forum/index.php?/topic/12153-chaseplane-issue/&tab=comments#comment-63772

Fly the Maddog X for P3D v5
Fly the Maddog X for P3D v5, we are almost ready for the official release and could be anytime this week.
Source:https://www.flythemaddog.com/forum/index.php?/topic/12125-fly-the-maddog-x-64bit-edition-16b571-official-release-p3d-v44-v45/